content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * -------------
   * DayTests.java
   * -------------
   * (C) Copyright 2001-2009, by Object Refinery Limited.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 15-Nov-2001 : Version 1 (DG);
   * 20-Mar-2002 : Added new tests for Day constructor and getStart() and
   *               getEnd() in different time zones (DG);
   * 26-Jun-2002 : Removed unnecessary imports (DG);
   * 17-Oct-2002 : Fixed errors reported by Checkstyle (DG);
   * 13-Mar-2003 : Added serialization test (DG);
   * 21-Oct-2003 : Added hashCode test (DG);
   * 11-Jan-2005 : Added test for non-clonability (DG);
   * 03-Oct-2006 : Added testGetSerialIndex() (DG);
   * 11-Jul-2007 : Fixed bad time zone assumption (DG);
   *
   */
  
  package org.jfree.data.time;
  
  import org.jfree.chart.date.MonthConstants;
  import org.junit.Test;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  import java.text.ParseException;
  import java.text.SimpleDateFormat;
  import java.util.Calendar;
  import java.util.Date;
  import java.util.GregorianCalendar;
  import java.util.Locale;
  import java.util.TimeZone;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertNull;
  import static org.junit.Assert.fail;
  
  /**
   * Tests for the {@link Day} class.
   */
  public class DayTest  {
  
  
      /**
       * Check that a Day instance is equal to itself.
       *
       * SourceForge Bug ID: 558850.
       */
      @Test
      public void testEqualsSelf() {
          Day day = new Day();
          assertEquals(day, day);
      }
  
      /**
       * Tests the equals method.
       */
      @Test
      public void testEquals() {
          Day day1 = new Day(29, MonthConstants.MARCH, 2002);
          Day day2 = new Day(29, MonthConstants.MARCH, 2002);
          assertEquals(day1, day2);
      }
  
      /**
       * In GMT, the end of 29 Feb 2004 is java.util.Date(1,078,099,199,999L).
       * Use this to check the day constructor.
       */
      @Test
      public void testDateConstructor1() {
          TimeZone zone = TimeZone.getTimeZone("GMT");
          Calendar c = new GregorianCalendar(zone);
          Locale locale = Locale.UK;
          Day d1 = new Day(new Date(1078099199999L), zone, locale);
          Day d2 = new Day(new Date(1078099200000L), zone, locale);
  
          assertEquals(MonthConstants.FEBRUARY, d1.getMonth());
          assertEquals(1078099199999L, d1.getLastMillisecond(c));
  
          assertEquals(MonthConstants.MARCH, d2.getMonth());
          assertEquals(1078099200000L, d2.getFirstMillisecond(c));
      }
  
      /**
       * In Helsinki, the end of 29 Feb 2004 is
       * java.util.Date(1,078,091,999,999L).  Use this to check the Day
       * constructor.
       */
      @Test
      public void testDateConstructor2() {
          TimeZone zone = TimeZone.getTimeZone("Europe/Helsinki");
          Calendar c = new GregorianCalendar(zone);
          Locale locale = Locale.getDefault();  // locale shouldn't matter here
          Day d1 = new Day(new Date(1078091999999L), zone, locale);
          Day d2 = new Day(new Date(1078092000000L), zone, locale);
  
          assertEquals(MonthConstants.FEBRUARY, d1.getMonth());
          assertEquals(1078091999999L, d1.getLastMillisecond(c));
  
          assertEquals(MonthConstants.MARCH, d2.getMonth());
          assertEquals(1078092000000L, d2.getFirstMillisecond(c));
      }
  
      /**
       * Set up a day equal to 1 January 1900.  Request the previous day, it
       * should be null.
       */
      @Test
      public void test1Jan1900Previous() {
          Day jan1st1900 = new Day(1, MonthConstants.JANUARY, 1900);
          Day previous = (Day) jan1st1900.previous();
          assertNull(previous);
      }
  
      /**
       * Set up a day equal to 1 January 1900.  Request the next day, it should
       * be 2 January 1900.
       */
      @Test
      public void test1Jan1900Next() {
          Day jan1st1900 = new Day(1, MonthConstants.JANUARY, 1900);
          Day next = (Day) jan1st1900.next();
          assertEquals(2, next.getDayOfMonth());
      }
  
      /**
       * Set up a day equal to 31 December 9999.  Request the previous day, it
       * should be 30 December 9999.
       */
      @Test
      public void test31Dec9999Previous() {
          Day dec31st9999 = new Day(31, MonthConstants.DECEMBER, 9999);
          Day previous = (Day) dec31st9999.previous();
          assertEquals(30, previous.getDayOfMonth());
      }
  
      /**
       * Set up a day equal to 31 December 9999.  Request the next day, it should
       * be null.
       */
      @Test
      public void test31Dec9999Next() {
          Day dec31st9999 = new Day(31, MonthConstants.DECEMBER, 9999);
          Day next = (Day) dec31st9999.next();
          assertNull(next);
      }
  
      /**
       * Problem for date parsing.
       * <p>
       * This test works only correct if the short pattern of the date
       * format is "dd/MM/yyyy". If not, this test will result in a
       * false negative.
       *
       * @throws ParseException on parsing errors.
       */
      @Test
      public void testParseDay() throws ParseException {
          GregorianCalendar gc = new GregorianCalendar(2001, 12, 31);
          SimpleDateFormat format = new SimpleDateFormat("dd/MM/yyyy");
          Date reference = format.parse("31/12/2001");
          if (reference.equals(gc.getTime())) {
              // test 1...
              Day d = Day.parseDay("31/12/2001");
              assertEquals(37256, d.getSerialDate().toSerial());
          }
  
          // test 2...
          Day d = Day.parseDay("2001-12-31");
          assertEquals(37256, d.getSerialDate().toSerial());
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
          Day d1 = new Day(15, 4, 2000);
  
              ByteArrayOutputStream buffer = new ByteArrayOutputStream();
              ObjectOutput out = new ObjectOutputStream(buffer);
              out.writeObject(d1);
              out.close();
  
              ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(
                      buffer.toByteArray()));
          Day d2 = (Day) in.readObject();
              in.close();
  
          assertEquals(d1, d2);
      }
  
      /**
       * Two objects that are equal are required to return the same hashCode.
       */
      @Test
      public void testHashcode() {
          Day d1 = new Day(1, 2, 2003);
          Day d2 = new Day(1, 2, 2003);
          assertEquals(d1, d2);
          int h1 = d1.hashCode();
          int h2 = d2.hashCode();
          assertEquals(h1, h2);
      }
  
      /**
       * The {@link Day} class is immutable, so should not be {@link Cloneable}.
       */
      @Test
      public void testNotCloneable() {
          Day d = new Day(1, 2, 2003);
          assertFalse(d instanceof Cloneable);
      }
  
      /**
       * Some checks for the getSerialIndex() method.
       */
      @Test
      public void testGetSerialIndex() {
          Day d = new Day(1, 1, 1900);
          assertEquals(2, d.getSerialIndex());
          d = new Day(15, 4, 2000);
          assertEquals(36631, d.getSerialIndex());
      }
  
      /**
       * Some checks for the getFirstMillisecond() method.
       */
      @Test
      public void testGetFirstMillisecond() {
          Locale saved = Locale.getDefault();
          Locale.setDefault(Locale.UK);
          TimeZone savedZone = TimeZone.getDefault();
          TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
          Day d = new Day(1, 3, 1970);
          assertEquals(5094000000L, d.getFirstMillisecond());
          Locale.setDefault(saved);
          TimeZone.setDefault(savedZone);
      }
  
      /**
       * Some checks for the getFirstMillisecond(TimeZone) method.
       */
      @Test
      public void testGetFirstMillisecondWithTimeZone() {
          Day d = new Day(26, 4, 1950);
          TimeZone zone = TimeZone.getTimeZone("America/Los_Angeles");
          Calendar c = new GregorianCalendar(zone);
          assertEquals(-621187200000L, d.getFirstMillisecond(c));
  
          // try null calendar
          try {
              d.getFirstMillisecond(null);
              fail("NullPointerException should have been thrown");
          }
          catch (NullPointerException e) {
              // we expect to go in here
          }
      }
  
      /**
       * Some checks for the getFirstMillisecond(TimeZone) method.
       */
      @Test
      public void testGetFirstMillisecondWithCalendar() {
          Day d = new Day(1, 12, 2001);
          GregorianCalendar calendar = new GregorianCalendar(Locale.GERMANY);
          calendar.setTimeZone(TimeZone.getTimeZone("Europe/Frankfurt"));
          assertEquals(1007164800000L, d.getFirstMillisecond(calendar));
  
          // try null calendar
          try {
              d.getFirstMillisecond(null);
              fail("NullPointerException should have been thrown");
          }
          catch (NullPointerException e) {
              //we expect to go in here
          }
      }
  
      /**
       * Some checks for the getLastMillisecond() method.
       */
      @Test
      public void testGetLastMillisecond() {
          Locale saved = Locale.getDefault();
          Locale.setDefault(Locale.UK);
          TimeZone savedZone = TimeZone.getDefault();
          TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
          Day d = new Day(1, 1, 1970);
          assertEquals(82799999L, d.getLastMillisecond());
          Locale.setDefault(saved);
          TimeZone.setDefault(savedZone);
      }
  
      /**
       * Some checks for the getLastMillisecond(TimeZone) method.
       */
      @Test
      public void testGetLastMillisecondWithTimeZone() {
          Day d = new Day(1, 2, 1950);
          TimeZone zone = TimeZone.getTimeZone("America/Los_Angeles");
          Calendar c = new GregorianCalendar(zone);
          assertEquals(-628358400001L, d.getLastMillisecond(c));
  
          // try null calendar
          try {
              d.getLastMillisecond(null);
              fail("NullPointerExcption should have been thrown");
          }
          catch (NullPointerException e) {
              //we expect to go in here
          }
      }
  
      /**
       * Some checks for the getLastMillisecond(TimeZone) method.
       */
      @Test
      public void testGetLastMillisecondWithCalendar() {
  
          Day d = new Day(4, 5, 2001);
          Calendar calendar = Calendar.getInstance(
                  TimeZone.getTimeZone("Europe/London"), Locale.UK);
          assertEquals(989017199999L, d.getLastMillisecond(calendar));
  
          // try null calendar
          try {
              d.getLastMillisecond(null);
              fail("NullPointerException should have been thrown");
          }
          catch (NullPointerException e) {
              //we expect to go in here
          }
      }
  
      /**
       * Some checks for the testNext() method.
       */
      @Test
      public void testNext() {
          Day d = new Day(25, 12, 2000);
          d = (Day) d.next();
          assertEquals(2000, d.getYear());
          assertEquals(12, d.getMonth());
          assertEquals(26, d.getDayOfMonth());
          d = new Day(31, 12, 9999);
          assertNull(d.next());
      }
  
      /**
       * Some checks for the getStart() method.
       */
      @Test
      public void testGetStart() {
          Locale saved = Locale.getDefault();
          Locale.setDefault(Locale.ITALY);
          Calendar cal = Calendar.getInstance(Locale.ITALY);
          cal.set(2006, Calendar.NOVEMBER, 3, 0, 0, 0);
          cal.set(Calendar.MILLISECOND, 0);
          Day d = new Day(3, 11, 2006);
          assertEquals(cal.getTime(), d.getStart());
          Locale.setDefault(saved);
      }
  
      /**
       * Some checks for the getEnd() method.
       */
      @Test
      public void testGetEnd() {
          Locale saved = Locale.getDefault();
          Locale.setDefault(Locale.ITALY);
          Calendar cal = Calendar.getInstance(Locale.ITALY);
          cal.set(1900, Calendar.JANUARY, 1, 23, 59, 59);
          cal.set(Calendar.MILLISECOND, 999);
          Day d = new Day(1, 1, 1900);
          assertEquals(cal.getTime(), d.getEnd());
          Locale.setDefault(saved);
      }
  
  }
  